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RHEWUM-screening technology: Screening machines, Feeders and Optical sorters

RHEWUM in Remscheid offers you high efficiency air classifiers, optical systems, screening machines and a lot more. By constant research and development we improve the quality of our screening technology.

Screening Machine with direct excitation, RHEWUM

This screen type is a throw sieve which employs direct excitation of screen mesh; thus the screen housing only takes a statical function. It also preserves the building and/or the steel structure.No dynamic loads are transmitted as they are created by completely vibrating convential screens and rigid connection to on-and off-going chutework is possible. A protection against dust emissions.

RHEWUM DataSort with the company-logo

The mono-fractioned separation of raw materials in rejects and pure product by means of optical sorting processes is an essential production step in reducing of production cost as well as for quality assurance of the final product.

RHEWUM-Wet screening mashine

For many processing tasks the use of wet screens is required. The product in suspension is fed by suitable feeding systems (syphon, overflow pipe or similar) onto the screen width. The liquid used depends on the product and when passing the mesh takes along a certain amount of fines to the outlet. This process is supported by the double-frequent direct excitation of screen net which simultaneously ensures smooth transport of the coarse material. The flow forces aroused by the liquid additionally deagglomerates the material. In many cases this can be boosted by an additional watering device.

2 air jet sieves, RHEWUM

The gas flow rate is measured and regulated to a constant value which has been adjusted before. The justification of the jet´s rotation speed allows the adjustment to different materials and decreases the sieving time. A special designed sealing of the sieving inserts allows the use of standard inlets with a diameter of 200 mm. The sealings of the aggregate and the cover made out of plastics avoid the intrusion of air from outside the sieve. To avoid electrostatic charging the used air may be conditioned or warmed.

Double Frequency Screening Machine in the hall

The drive principle of the DF type machines is based on the use of two out-of-balance motors running with different speeds. The motor with the lower speed and higher out of balance weight is positioned at the inlet, whereas the motor with the higher speed and lower out of balance weight is positioned at the outlet.

2 Linear and Circular Motion Screening Machines

Linearschwingsiebe bzw. Linearschwinger sind kostengünstige Siebmaschinen, bei denen das ganze Siebaggregat zu einer Linearschwingung angeregt wird. Sie werden je nach Anwendungsfall als Ein- oder Mehrdeckersiebmaschinen ausgeführt, wobei die unterschiedlichsten Siebbeläge, wie Drahtgewebe, Lochbleche, Pressschweißgitter, Kunststoffbeläge usw. Verwendung finden können.

 

Kreisschwingsiebe bzw. Kreisschwinger sind kostengünstige Siebmaschinen, bei denen das ganze Siebaggregat zu Kreisschwingungen angeregt wird. Die Schwingungen dieser Siebmaschine werden über eine in Pendelrollenlagern laufende Unwuchtwelle mit zusätzlich rechts und links außen angeordneten und im Stillstand verstellbaren Schwunggewichten erzeugt. Über diese Gewichte kann die Schwingweite den Produkterfordernissen angepasst werden.

 

 

Design drawing - Air Classifier, RHEWUM

Due to their modular design the air classifier with its vast sharp separation can be applied for many tasks. This high efficiency sifters are the result of long year experience and development.